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How to Reduce PDF File Size on Your Devices

PDF is widely used for business communication as well as other situation. However, some systems or emails may have requirements to the size of uploading files, so people want to reduce the size of PDF. Here are five PDF editors which can help you reduce PDF file size without compromising the confidentiality. If you are searching for a desktop program, you could get it now via the button below.

Free Ways to Reduce the Size of a PDF File

Android Solution

1. LightPDF

LightPDF is a free online PDF tool which contains multiple useful features such as PDF converting, PDF editing, PDF compression, etc. This tool is based on web, thus, once you have a browser and internet, you can enjoy its functions. The website works fast and safely. And the files modified through this website will maintain the high quality. Now let’s use LightPDF to reduce PDF file size on Android.

Step 2: Drag and drop the PDF file to upload it. The website will automatically compress the file.

Step 3: After that, click the downward button to get the compressed file to your PC.

Note:

The tool can be used for free, and there is no limitation to the times of uploading.

2. PDF Tool Ultimate

PDF Tool Ultimate is an Android application that you can use to compress, merge, flatten, rotate, and lock your PDF file, etc. Just like Smallpdf, files will be deleted after an hour on their server. All process is done on their system. Now let’s use this app to reduce the size of a PDF file.

Step 3: Select a PDF file and wait for it to load. Once completed, it will be automatically saved to your Android phone.

Note:

To check where your file is stored, you can tap the information icon beside the file to learn more.

iLovePDF

iLovePDF is a free tool that can merge, split, compress, convert and edit PDF files. This app can work on devices running iOS 9.0 or later. Below is how you can reduce a PDF file size on iPhone and iPad via iLovePDF.

Step 1: Get the app on your iDevice, open the app and tap “COMPRESS PDF”.

Step 3: Hit “Next” to start compressing. It will be saved on your drive after compressing.

Windows Solution

1. Apowersoft PDF Converter

Apowersoft PDF Converter is a multi-platform application which can run on your Windows, Mac, Android and iOS devices, however, currently only its Windows version has the function to reduce the size of a PDF file. It will compress your PDF but the quality of the document will keep the same as your source file. Moreover, you could reduce the files in batch quickly. Now let’s start compressing your PDF files on PC.

Step 3: Drag and drop the files you want to reduce, and click “Convert”. You could also set the output folder before the conversion.

Step 4: Once done, you could click “Open Folder” to get your compressed PDF documents.

2. Online PDF Compressor

Online PDF Compressor is a free application which allows you to shrink PDF size fast and without sacrificing quality. It comes with three useful compression types including Size, Normal and Quality. No download or registration needed, you just need to finish the simple steps to reduce PDF file size.

Step 2: Click the “Click to add PDF” to upload your PDF files. You can freely choose to add one PDF file or multiple PDF files.

Step 3: When all the files are uploaded successfully, select one proper type from the three options. Click the “Compress” button and then let the program do the magic. After compressing, click the “Download All” to download all the files.

Mac Built-in Solution

For Mac users, Apple has a simpler solution for you to reduce PDF file size for free – use the Mac built-in feature. Follow the steps below to learn how.